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Re: [Qemu-devel] proposal : use gpxe roms in upstream qemu

From: Anthony Liguori
Subject: Re: [Qemu-devel] proposal : use gpxe roms in upstream qemu
Date: Wed, 26 Aug 2009 08:55:28 -0500
User-agent: Thunderbird (X11/20090320)

Glauber Costa wrote:
Hi people,

For a while now, we are using gpxe instead of etherboot in fedora's qemu, with 
strong success.
etherboot is currently deprecated, and gpxe offers a lot of interesting 
features, like iscsi
initiator support, besides being actively maintained. I even think with some 
effort we may be
able to get rid of extboot by using gpxe infrastructure to initiate virtio 

I propose we do the same in upstream qemu. To properly use it, there are a 
number of qemu, bochs bios
and kernel (in kvm case) fixes needed. But they are fairly old at this point in 
time, and had more than
enough time to spread around.

I've put the roms we are using in http://glommer.net/gpxe if people want to 
test it. They are built
from gpxe 0.9.7 without any patches, so it should be very very straightforward 
to reproduce. One can
also grab .rom files from rom-o-matic.net

One problem with this is that gpxe does not work with the builtin tftp server. If I do:

x86_64-softmmu/qemu-system-x86_64 -hda ~/imag/linux.img -snapshot -L ~/git/qemu/pc-bios -boot n -bootp /pxelinux.0 -tftp /tftpboot

I get a tftp server does not support tsize option.


Anthony Liguori

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